{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1480319",
    "entityType": "User",
    "nonce": "0x06d5ce73c0660fa8610f0689fb26a427862f20b7a63b96e2ca1aa16625816169",
    "signature": "0x26fbf0de609f4e95261639d73258011e25d66289f96636cb7018a1943a3a45cc4669c6789e1c1dabdb4f92f10b29cef683911718ff5d72d630c715d91f92315c1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}